package net.zjitc.service.Impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;

import net.zjitc.dao.UserMapper;
import net.zjitc.domain.ResultPage;
import net.zjitc.domain.User;
import net.zjitc.service.UserService;
import org.apache.logging.log4j.util.Strings;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class UserServiceImpl implements UserService{
@Autowired
private UserMapper userMapper;

    @Override
    public boolean add(User user) {
        return userMapper.insert(user) == 1;
    }

    @Override
    public boolean delete(Integer id) {
        return userMapper.deleteById(id) == 1;
    }

    @Override
    public User findUser(Integer id) {
        return userMapper.selectById(id);
    }

    @Override
    public boolean update(User user) {
        return userMapper.updateById(user)==1;
    }

    @Override
    public ResultPage<User> findPage(int currentPage, int pageSize, User user) {
        LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>();
        wrapper.like(Strings.isNotEmpty(user.getUsername()), User::getUsername,
                user.getUsername());
        wrapper.like(Strings.isNotEmpty(user.getGender()), User::getGender,
                user.getGender());
        wrapper.like(Strings.isNotEmpty(user.getEmail()),User::getEmail,user.getEmail());
        IPage<User> page = new Page<>(currentPage,pageSize);
        userMapper.selectPage(page,wrapper);
        return new ResultPage<User>(page.getTotal(),page.getRecords());
    }
}
